Window control device



s Sheets-Sheet 1 INVENTOR JOSEPH f. levy/v otpiooooooooooooooibnoa "mullsm J. 1. LEVYN 2,361,551

WINDOW CONTRQL DEVICE 3 sheets sheet 2 Filed April 18, 1942 5 INVENTOR dOSEP/v LEVY/v.

Oct. 31, 1944. Q

J. l. LEVYN WINDOW CONTROL DEVICE Filed April 18, 1942 3 Sheets-Sheet 3 Patented Oct. 31, 1944 UNITED STATES PATENT OFFICE WINDOW CONTROL DEVICE- Joseph I. Levyn, Brooklyn, N. Y.

Application April 18, 1942, Serial No. 439,464

8 Claims. (Ql. 20-49) This invention relates to improvements in window control devices.

It is'a primary object of the invention to provide an economical attachment for wooden window frames which will facilitate the upward and downward adjustment of double hung sliding windows and which will also permit the window sash to be swung about a horizontal axis to facilitate cleaning or repairing the window.

The above and other objects will appear more fully from the following description when considered inconnection with the drawings, where- Fig. 1 is an elevational view of one form of window attachment constructed in accordance with my invention.

Fig. 2 is a vertical section through the window on the line 2-2 of Fig. 1. V

Fig. 3 is a view similar to Fig. 2 showing both window sash moved away from their normal closed position and tilted on a horizontalaxis.

Fig. 4 is an enlarged transverse sectional view on the line 34 of Fig. 1.

Fig. 5 is an enlarged horizontal sectional view of the window frame and attachment, showing the position of the parts when the window is tilted.

Fig. 6 is an elevational view looking at the outer face of the window control devices.

Fig. '7 is a vertical sectional view on the line 1-1 of Fig. '6.

Fig. 8 is a fragmentary view similar to Fig. 6, parts being in section, showing the window sash hinged away from Vertical position.

Fig. 9 is a vertical sectional view similar to Fig. 7 but showing the position of the window checking device as the window sash is moved downwardly and the position of the window looking devices when the window sash is swung away from vertical position.

Fig. 10 is a detailed sectional view of the device for holding the upper window sash in its uppermost position, taken on the line l0i0 of Fig. 2.

Fig. 11 shows in perspective the hinging devices and cams for locking the window sash against vertical movement.

Fig. 12 is a sectional view of the bracket which supports the various controlling devices on the window.

Fig. 13 is a perspective view of one form of weather stripping which may be employed.

Fig. 14 is aperspective view of the side skids employed.

Fig. 15 is a fragmentary, vertical, sectional view of the window sash through thehinging one edge of the window sash and frame on point, on the line l5-l5 of Fig. 16, illustrating a modified form of housing and bearing members adjacent to the hinge.

Fig. 16 is a transverse sectional view through the line [6-46 of Fig. 15.

Figs. 1'7, 18, and 19 are transverse sectional views. through the window frame channels and sash, illustrating various forms of weather stripping which may be employed. l

Fig. 20 is a sectional view showing the assembly of the frame and window checking devices, but without the employment of the hingedsupport. I

Referring to the details offthe drawings, the window illustrated includes the usual upper sash 2 and lower sash 4 slidably mounted in channels I and 8 of window frame 6. Each :sash comprises the wooden sash frame proper. and side supporting members or guide strips ID at the; opposite longitudinal edges of the sash, the members iii! being slidably-mounted in the channel! or 8 and hingedly connected to the sash. Tofacilitate attachment of the side supporting members to the sash, there may be employed intermediate attachment strips 12 suitably grooved and glued, or otherwise attached to the edges of the sash, as shown in Fig. 4, or the supporting members Illa in Fig. 18) may be hinged directly to the sash, as shown in Fig. 18. The opposed, contacting faces of the side supporting members I 0 or um and the sash or strips 12 are formed with correspondingly grooved faces so that when the sash is in a vertical position the faces will nest. When the sash is tilted away from vertical position the In the form of the invention 'shown'in Figs. 1 to 5 opposed faces of the side supporting members are additionally recessed to receive the weather stripping devices described below. 1

The means for controlling both sliding and swinging movement of the sash are mainly" mounted in a control bracket l4 securely'attached to the outer face of each side supporting member. I ll. The control bracket I4 is formed with two end recesses l6 and 11 and a central recess ill for receiving the hinging mechanism.

The hinging mechanism'(see particularly Figs; 4,

6, 7 and 11) includes a control lug and hinge pin 20 having a cylindrical bearing portion 2!, a cam endZZ (Fig. 11), and a reduced extension 23 havaperture in the base of the recess l8 of the supporting bracket and into an opening 24 of similar shape in a housing 25 carried by the sash frame or attachment strip 12. Due to the corresponding cross sectional shape of the opening 24 and the extension 23, the control lug is caused to rotate with the window as it is swung on the hinge, as will be understood.

The head 22 of the control lug is formed with extensions Zihaving cam surfaces 2! on their rearward faces (see Figs. 4 and 11) positioned for coordinated action with cam surfaces 28 of a locking collar 29 slidably but non-rotatably supported by bracket 14. The respective cams 2'! and 2B are so arranged (see Fig. 4) that when the sash is in its normal vertical position, the tips of the cams 21 and 28 are engaged and the collar 29 is retained in its inner or retracted position against the action of a spring 30. When the window is tilted from vertical position, the cam surfaces 21. move away from cam surfaces 28, causing the collar 29' to move outwardly under the influence of spring 30. This spring is mounted on the cylindrical portion 2| of the control lug and bears against the back wall of recess l8 of supporting bracket M. I

The collar 29 is formed with extensions 32 which ride. in guide slots 34' formed in the side walls of. recess l8 of bracket l4; whereby it is secured for sliding movement: but. against rotation. One or both of the extensions: 32 are provided with locking pins 36 ontheir outer faces for a purpo'serto' be presently described. The control lug 20 is held in place by means of a set screw 38, collar 39; andspring. 40, this construction drawing the bearing portion 211 of the control lug. up against the base of the. recess I8" under the influence. or spring 40' and maintaining the entire hinge mechanism assembled. The housing. 25 is formed with wings or extensions 42, extending above andibelow the. axis of thehinge, for, attaching the housing to the sash or strip t2, the extensions constituting the bearing surface when the window'is tilted away from vertical position. I

The control for swinging movement of the sash-includes control bars 44 mounted in the window frame'channels I and B at each side of each sash.v The bars 44 are connected at each end as at. 45 to attachment lugs 46, the latter being securely mounted on the face of the window frame within the channels. The mounting of thebars -"ispreferably such that each bar is spaced from the back wall of the respective channel, the slots 41 (Fig. 4) allowing limited lateral movement of the ban. Each bar 44 is formed throughout: most of its length with a succession of closely spaced apertures or squareshouldered' depressions 48 for receiving pins 35 when the collar 29 is moved outwardly. The bar 44 passes through openings 50 in each side wall of each recessed portion" of supporting bracket M to be guided and held properly positioned for cooperation: with the other window control devices.

For the purpose of creating resistance to downward movement of the sash, there are employed checking devices'including rollers 52 and wedging members 54 (see Figs. '7 and9). The rollers are preferably formed with a reduced central portion and end flanges as shown. The wedging elements in the present embodiment are formed of spring metal, steel, bronze, or the like, and have baseswhich engage the floor of recesses l6 and I1 and free, bent ends engaging the end flanges of rollers 52 to press their reduced central portions against bars 44.

To hold the upper sash in its uppermost position, there is employed any suitable type of spring catch, as illustrated, for example, in Fig. 10, wherein the clamp 56 is mounted in a recess at the top of the sash for cooperation with a lug 51 secured in the channel at the top of the window frame.

In order to maintain the sash in its central transverse position and to facilitate its upward and downward movement, skids 58 (see Figs. 6, 7 and 14) are preferably mounted on each end of each supporting member H], the skids being formed with an attachment extension 60 and with a slotted or recessed portion 62 at each end for receiving the control bar and with curved, flexible. operating faces 64 for engaging the back face of the window channel. The free end of the skids are received within notches in the side supporting members, as'shown.

In the construction shown in Figs. 4 to 8, there is disclosed weather-stripping means comprising a thin sheet metal strip 66 (see Fig. 13) secured against the outer face of the side supporting member Hi and extending the major por tion of the distance across the faces of the members llland l2. In normal position the strip 66 is tensioned to press lightly against the outer curved face of the member 12 when the sash is in vertical position, as shown in Fig. 4.

Referring to Figs. 15 and 16, there is shown a simplified form of hinge bracket which may be formed bystamping sheet metal or cold rolled steel instead of forming die castings. This. brack et is formed of a plate 68 for attachment to the edge of the sash and with the central opening 69 formed as a flanged portion receiving the base of the housing 70, which also may be stamped from sheet metal. as shown. In order to limit wear on the outer face of the side supporting members I0, an anti-friction bracket 12 may be attached to the outer face of the side supporting member to correspond with the plate 68 of the hinge brackets. It will be understood that the opening 69, similarly to opening 24 in the first form of the invention, has a cross sectional shape corresponding to the control lu extension 23, to cause the control lug to rotate with the sash.

In Fig. 17 there is shown a modified form of weather stripping formed as a Ushaped thin sheet metal, or other metal, channel 14 secured against the base of the window channel and having its flanges embracing a side edge .76 Ma side supporting member Illa.

In Fig. 18 the weather stripping is shownv as comprising an angle '18 of thin sheet metal, or other metal, having its outer flange passed upwardly behind one of the side flanges of a channel 80 secured over the parting strip 8!. In the construction illustrated, the intermediate attachment strip !2 is omitted, so that the sash proper bears against the side supporting member Illa.

The form of weather stripping shown in Fig. 19 includes a thin sheet metal or spring bronze strip 82 secured to the side edge of a side supporting member and engaging the side of the window channel and also extending up over the of the side supporting member.

is in vertical position, as previously pointed out. In Fig. 19 allowance must be made for the thickness of the thin weather strip on the outer face The sinusoidal curvature shown is particularly desirable in the present construction in that it provides multiple bearing surfaces as the sash is tilted and it provides a tortuous path to minimize passage of air or water therethrough when sash is in normal vertical position.

It will be understood that in case the hinged connection of the sash is not to be employed, then the bracket I4 may be formed with only the recesses l6 and I1, omitting the recess i8. This construction is illustrated in Fig. 20, wherein the brackets I40. are attached directly to the side edges of the sash. Furthermore, the recessed members forming recesses I6 and i! may be made a separate pieces, being severed/for example, as indicated at 84 in Fig. 12. It is preferable, however, to have the two recessed portions l1 and I8 formed in one rigid bracket firmly mounted in the side edge of the sash, as by means of screws, as shown, or otherwise.

The operation of the window control devices herein disclosed will be apparent from the above description. It will be understood that although the description has in the main been directedv to the construction for one side edge of a sash, both edges of both sash will preferably be similarly formed. When the sash are in their normal vertical position they may be raised or lowered with little efiort. During the raising of the sash the rollers 52 ride down to the bases of the cams 54 and offer no obstruction to the upward movement of the sash. As the sash is lowered, the rollers ride up.the cam surfaces, providing a cushioned checking action, so that the sash will not drop of their own weight, but so that they can be readily moved downwardly by hand. As soon' as the sash are tilted away from vertical position, the cam surfaces of the hinge mechanism and collar move out of engagement, permitting spring 30 to force the collar 29 outwardly, whereby the pin 36 engages in one of the openings in the bar 44 to prevent further upward or downward movement of the sash. Either sash may be rotatedto any extent away from vertical position, to permit the window to be cleaned or repaired, and also to aiTord the particular ventilation required.

It is to be understood that the present embodiirients of the invention are illustrative only and that changes may be made therein so long as they fall within the scope of the appended claims. The weather stripping, the checking devices, and the looks as disclosed are particularly adapted for conjoint use, for controlling and sealing windows.

Having now described my invention, I claim:

1. A window control device comprising an attachment strip for attachment to a window sash and formed with a longitudinal channeled configuration on the outer face thereof, a guide strip bearing against the same and formed with a complemental longitudinal configuration on the inner face thereof, a control bracket carried by said guide strip, a hinging device carried by said control bracket hingedly connecting said attachment strip and guide strip for movement of the former about a horizontal axis, a control bar extending through. said bracket and formed with attachment means for securing the same against vertical movement, and checking devices carried by said bracket window window sash with respect to said bar during downward movement of said window sash.

2. A window control device comprising an attachment strip for attachment to a Window sash and formed with a longitudinal channeled configuration on the outer face thereof, a guide strip bearing against the same and formed with a complemental longitudinal. configuration on the inner face thereof, a control bracket carried by said guide strip, a hinging device carried by said attachment strip and guide strip for movement of the former about a horizontal, axis a control her extending through said bracket and formed with attachment means for securing thesame against vertical movement, checking devices carried by said bracket for cooperation with said control bar for yieldably checking movement of said strips and window sash with respect to said bar during downward movement of said window sash, and a lockcooperable with said control bar and movable to and from looking position on swinging movement of said attachment strip and sash, said. lock serving to lock said bracket, strips, and window sash in fixed vertical position with respect to said bar during said swinging movement.

3. A window control device comprising an attachment strip for attachment to a window sash and formed with a longitudinal channel configuration on the outer face thereof, a guide strip bearing against the same and formed with a complemental longitudinal configuration on the inner face thereof, a control bracket carried by said guide strip, a fixed control bar, a hinging device carried by said attachment strip and guide strip for movement of the former about a horizontal axis, said hinging device being constructed to accommodate limited relative movement of said strips axially of said hinge, and means cooperablewith said control bar carried by said control bracket and controlled by movement of said attachment strip on said axis for locking said guide strip against vertical movement when said attaching strip is swung on said hinging device. I

4, A window construction comprising a win dow sash, an attachment strip carried by an edge of the sash and having a longitudinal channeled configuration on its outer face, a guide strip for sliding movement in a channel of the window frame, said guide strip including an inner face bearing against and of complemental configuration with said attachment strip, a control bracket carried by said guide strip and including a central recessed portion and a second recessed portion spaced therefrom, said recessed portions extending into recesses in said guide strip, means mounted within said central recessed portion and hingedly connecting said attachment strip and. said guide strip and means within said other recessed portion yieldingly restraining downward movement of said guide strip.

5. A window construction comprising a window sash, and an attachment strip secured to an edge of the sash, a guide strip for sliding movement in a guide channel of the window frame, and bearing against said attachment strip,

a control bracket carried by said guide strip and recess hingedly connecting said attachment strip and guide strip, a control bar, means mounted within said other recessed portions and coopcrating with said bar for yieldingly restraining downward movement of said guide strip and means included in said hinge means and cooperating with said control bar for preventing vertical movement of said guide strip when said attachment strip is swung from a vertical position.

- 6. In a window construction a wooden window sash and attachment strip secured to an edge thereof, a guide strip for sliding movement in a channel of a window frame, a control bar carried by said attachment strip, a control bracket carried by said guide strip and including a central recessed portion accommodated in said guide strip'and a second recessed portion spaced longitudinally therefrom, means mounted within said central recessed portion for hingedly connecting said sash and guide strip and means in said second recessed portion and cooperating with the control bar for yieldingly restraining downward movement of said sash.

guide strip and sash for conjoint sliding movement, a control bracket carried by said guide strip and including spaced recessed portions extending into recesses in said guide strip, a control bar, and means within said recessed portions cooperating with said control bar for yieldingly restraining downward movement of said guide strip and sash, said last-named means comprising a resilient member providing a plane inclined outwardly and upwardly and a roller interposed between said inclined plane and said control bar.

JOSEPH I. LEVYN. 

